Science Mcq all lessons

why should we not try to taste unknown plants

• Because it is Tasty

• Because it is poiosonus

• Because it is salty

• None of the above

Copper Sulphate solution can be prepared by adding ----- gram of copper sulphate in 100 milliletre of water

• 2 g

• 3 g

• 2 point 5 g

• 30 g

the stems of the jute plants is immersed for how many days

• few days

• lot of days

• 1 century

• 1 day

Why are Bottlels in a shop are transparent

• so that buyers can easily see these items

• so that buyers cannot easily see these items

• It is expensive

• it is cheap

in some cases the motion repeats its motion after some time is called -------

• Periodic motion

• Periodic potion

• Periodic mixture

• Perizology potion

when the activity of reflection of light is done how should be the room

• Dark

• Transparent

• Lights on

• Luminious